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Showing 1–10 of 10 results
Advanced filters: Author: Laura L. Colgin Clear advanced filters

  • Here the authors compare place cell sequence coding during correct and error trials in a spatial memory task. Sequences coded paths that were longer and more temporally compressed during correct trials and developed a bias to replay paths to a goal location during rest periods of correct but not error trials.

    • Chenguang Zheng
    • Ernie Hwaun
    • Laura Lee Colgin
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-14

  • Local field potential recordings of the hippocampus reveal three types of neural activity rhythms: theta, sharp wave–ripples and gamma. In this Review, Colgin discusses recent findings from rodent studies that provide insight into the origin of these rhythms and their roles in memory and other behaviours.

    • Laura Lee Colgin
    Reviews
    Nature Reviews Neuroscience
    Volume: 17, P: 239-249

  • Gamma oscillations in the brain are thought to 'bind' spatially distributed cells, a function that is probably important in perception, attentional selection and memory. However, it is unclear why the frequency of gamma oscillations varies substantially across space and time. Here, the study of the frequency of gamma oscillations in the CA1 area of the hippocampus suggests that variations in gamma frequency may be important for routeing information in the brain.

    • Laura Lee Colgin
    • Tobias Denninger
    • Edvard I. Moser
    Research
    Nature
    Volume: 462, P: 353-357

  • Recent work has implicated hippocampal subfield CA2 in encoding social and contextual memory yet the neural mechanisms are not known. Here, Alexander and colleagues demonstrate that, compared to CA1 neurons, CA2 neurons modify their place fields when presented with social or novel stimuli.

    • Georgia M. Alexander
    • Shannon Farris
    • Serena M. Dudek
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-14

  • The firing of most hippocampal neurons is modulated by the theta rhythm, but it's not clear how and where the rhythm is generated. A study now shows that the required machinery for theta generation lies in local circuits of the hippocampus.

    • Laura Lee Colgin
    • Edvard I Moser
    News & Views
    Nature Neuroscience
    Volume: 12, P: 1483-1484

  • How does the brain store sequences of experience? Clues come from brain recordings of rats running along a track. The animals' memories seem to be consolidated in an unexpected way as they rest between runs.

    • Laura L. Colgin
    • Edvard I. Moser
    News & Views
    Nature
    Volume: 440, P: 615-616

  • Simultaneous recordings from hippocampus and entorhinal cortex in rats show that as the animals learn odour guidance cues during their exploration of two-dimensional space in the laboratory, ensembles of coherently firing neurons emerge in both locations, with cortical–hippocampal oscillatory coupling occurring in a specific range of the beta-gamma frequency band.

    • Kei M. Igarashi
    • Li Lu
    • Edvard I. Moser
    Research
    Nature
    Volume: 510, P: 143-147

  • Gava et al. explore the organization of neuronal co-activity in hippocampus from a graph theoretical perspective to report how new associative memories integrate into the network and restructure the neural patterns representing prior memories.

    • Giuseppe P. Gava
    • Stephen B. McHugh
    • David Dupret
    Research
    Nature Neuroscience
    Volume: 24, P: 326-330